2024
Clinical, immunophenotypic, and genomic findings of acute myeloid leukemia with RAM immunophenotype: Comparison with other CD56‐positive acute leukemias
Hamdan H, Liu Y, Wang S, Bledsoe J, Chisholm K, Siddon A, Ohgami R, George T, Kurzer J, Hasserjian R, Arber D, Bagg A, Foucar K, Margolskee E, Laczko D, Chen W, Fuda F, Aggarwal N, Weinberg O. Clinical, immunophenotypic, and genomic findings of acute myeloid leukemia with RAM immunophenotype: Comparison with other CD56‐positive acute leukemias. EJHaem 2024 DOI: 10.1002/jha2.1052.Peer-Reviewed Original ResearchAcute myeloid leukemiaAcute undifferentiated leukemiaExpression of CD56Children's Oncology GroupAcute leukemiaRAM immunophenotypeBlast percentageHLA-DRMyeloid leukemiaT-ALLBone marrowBright expressionFrequency of abnormal karyotypesWeak to absent expressionCharacteristics of acute myeloid leukemiaAcute myeloid leukemia groupAcute myeloid leukemia casesBCL6 co-repressorBM blast percentageWhite blood cell countAcute leukemia casesClinical differential diagnosisControl groupClinical outcome analysisNext-generation sequencing profilingGene Copy Number Alterations Identify Subsets of Mycosis Fungoides/Sézary Syndrome Patients with Worse Survival Outcomes
Kiwan A, Kewan T, Xu M, Siddon A, Girardi M, Sethi T, Foss F. Gene Copy Number Alterations Identify Subsets of Mycosis Fungoides/Sézary Syndrome Patients with Worse Survival Outcomes. Blood 2024, 144: 4440-4440. DOI: 10.1182/blood-2024-205144.Peer-Reviewed Original ResearchGene copy number alterationsAssociated with poor OSAbsolute lymphocyte countFluorescence in situ hybridization panelAssociated with worse OSCirculating tumor cellsFluorescence in situ hybridizationOverall survivalCopy number alterationsT cell receptorPoor OSSurvival outcomesTumor cellsMedian OSCox proportional hazardsBlood involvementATM deletionArid1a deletionT cellsElevated absolute lymphocyte countMedian absolute lymphocyte countAssociated with better OSMedian age of patientsMultivariate CPH modelZEB1 deletionClinically Driven Algorithms Identify Patients with Large Granular Lymphocytic Leukemia at Risk of Significant Cytopenia Requiring Treatment
Kiwan A, Kewan T, Bravo-Perez C, Visconte V, Gurnari C, Durmaz A, Siddon A, Halene S, Sethi T, Maciejewski J, Foss F. Clinically Driven Algorithms Identify Patients with Large Granular Lymphocytic Leukemia at Risk of Significant Cytopenia Requiring Treatment. Blood 2024, 144: 4436. DOI: 10.1182/blood-2024-209344.Peer-Reviewed Original ResearchT-cell rearrangementArea under the curveGranular lymphocytic leukemiaMonoclonal gammopathyUnivariate analysisRheumatoid arthritisMyelodysplastic syndromeClonal hematopoiesisMedian ageLymphocytic leukemiaFactors associated with anemiaAbsence of CD4Associated with cytopeniaHistory of rheumatoid arthritisAssociated with neutropeniaExpression of CD5Presence of splenomegalyTreatment requirementsAssociated with anemiaMultivariate logistic regression modelPrimary etiological factorMultivariate regressionPersonalized treatment strategiesUnivariate logistic regressionAssociated with treatmentOutcomes of Patients with IDH1/2 Mutated Accelerated/Blast-Phase Myeloproliferative Neoplasms in the Era of IDH Inhibitors
Goldberg L, Yoon J, Johnston H, Davidson M, Siddon A, Shallis R, Chen E, Burkart M, Oh T, Iyer S, Madarang E, Muthiah C, Kassner J, Rampal R, Guru Murthy G, Bradley T, Abaza Y, Garcia J, Gupta V, Pettit K, Odenike O, Cursio J, Patel A. Outcomes of Patients with IDH1/2 Mutated Accelerated/Blast-Phase Myeloproliferative Neoplasms in the Era of IDH Inhibitors. Blood 2024, 144: 1787-1787. DOI: 10.1182/blood-2024-197898.Peer-Reviewed Original ResearchIsocitrate dehydrogenase inhibitorsMedian OSMPN-AP/BPIntensive chemotherapyMyeloproliferative neoplasmsHypomethylating agentsEuropean LeukemiaNetAcute myeloid leukemiaMPN-BPComplete remissionOverall survivalCytogenetic responsePartial remissionBlast phaseTen ptsCo-mutationsIncidence of driver mutationsVariable risk of progressionAchievement of complete remissionAllogeneic stem cell transplantationAssociated with poor overall survivalCohort of ptsIDH1 inhibitor ivosidenibIDH2 inhibitor enasidenibIncomplete count recoveryClinical Characteristics and Outcomes of Mixed Phenotype Acute Leukemia (MPAL): A Large Multi-Center Retrospective Study
Cohen-Nowak A, Coltoff A, Patel A, Atallah E, El Kettani M, Wang J, Symes E, Venkataraman G, Siddon A, Giever E, Shallis R, Altman J, Bell-Burdett K, Badar T, Aqil B, Abaza Y. Clinical Characteristics and Outcomes of Mixed Phenotype Acute Leukemia (MPAL): A Large Multi-Center Retrospective Study. Blood 2024, 144: 2801-2801. DOI: 10.1182/blood-2024-199377.Peer-Reviewed Original ResearchALL-directed therapySubtypes of acute leukemiaOverall survivalIntensive chemotherapyAcute lymphoblastic leukemiaAcute myeloid leukemiaAllo-SCTOS ratesAcute leukemiaFLT3-ITDBridge to allogeneic stem cell transplantationBlast populationCNS diseaseMedian duration of responseAllogeneic stem cell transplantationMulti-center retrospective studyResistant to traditional therapiesAML-directed therapyDiagnosis of MPALMedian overall survivalIncomplete count recoveryInduce durable remissionsDuration of responseStem cell transplantationAllo-SCT recipientsOverall survival in TP53-mutated AML and MDS
Puzo C, Hager K, Rinder H, Weinberg O, Siddon A. Overall survival in TP53-mutated AML and MDS. Annals Of Hematology 2024, 1-11. PMID: 39443370, DOI: 10.1007/s00277-024-06054-7.Peer-Reviewed Original ResearchOverall survivalBlast countTP53 mutationsSignificant predictors of OSP53 mutation typePredictors of OSAggressive disease biologyRetrospective chart reviewKaplan-Meier curvesYale-New Haven HospitalNext generation sequencingCox proportional hazards modelsProportional hazards modelComplex karyotypePoor OSP53 mutationsWHO criteriaChart reviewNew Haven HospitalPoor prognosisCo-mutationsPathogenic mutationsAMLICCS guidelinesMutation typeOptimization criteria for ordering myeloid neoplasm next‐generation sequencing
Gisriel S, Howe J, Tormey C, Torres R, Hager K, Rinder H, Siddon A. Optimization criteria for ordering myeloid neoplasm next‐generation sequencing. EJHaem 2024 DOI: 10.1002/jha2.1036.Peer-Reviewed Original ResearchNext-generation sequencingNext-generation sequencing testMyeloid neoplasmsDiagnosis of chronic myeloid leukemiaAltering treatment plansEnd-of-inductionFluorescence in situ hybridizationRecurrence post-transplantChronic myeloid leukemiaSuspicion of progressionPathogenic mutationsClinical suspicionMutation statusMN diagnosisMyeloid leukemiaPost-transplantRisk stratificationWorsening diseaseTreatment planningCancellation criteriaSuspicionDiagnosisSequenceCenters for MedicareB testThe effect of plerixafor on autologous stem cell mobilization, cell viability, and apheresis challenges
Puzo C, Li P, Tormey C, Siddon A. The effect of plerixafor on autologous stem cell mobilization, cell viability, and apheresis challenges. Lab Medicine 2024, lmae080. PMID: 39303673, DOI: 10.1093/labmed/lmae080.Peer-Reviewed Original ResearchAutologous stem cell transplantationHematopoietic stem cellsMultiple myelomaG-CSFMobilization failureDiffuse large B-cell lymphomaAutologous stem cell mobilizationLarge B-cell lymphomaGranulocyte colony-stimulating factorAutologous stem cell transplant patientsEfficacy of plerixaforStem cell mobilizationB-cell lymphomaStem cell transplantationEffects of plerixaforRetrospective chart reviewColony-stimulating factorYale-New Haven HospitalCell viabilityMultiple risk factorsHodgkin lymphomaNon-HodgkinMobilization regimenCell transplantationPlerixaforMixed-field ABO front typing as an early sign of disease recurrence in ABO-matched stem cell transplantation
Yurtsever N, Lee E, Pinatti L, Shah B, Tormey C, Siddon A. Mixed-field ABO front typing as an early sign of disease recurrence in ABO-matched stem cell transplantation. Immunohematology 2024, 40: 89-92. PMID: 39373301, DOI: 10.2478/immunohematology-2024-013.Peer-Reviewed Original ResearchConceptsStem cell transplantationCell transplantationDisease recurrenceMyeloid neoplasmsChimerism testingAllogeneic stem cell transplantationSigns of disease recurrenceIndicator of disease recurrenceDonor-recipient pairsABO antigen expressionGraft statusAntigen expressionFemale patientsPost-transplantationAllograft statusTransplantationABO typeRecurrenceClinical settingEarly signsNeoplasmsChimerismEarly indicatorABOEngraftment
2023
Myelodysplastic Syndromes
Siddon A. Myelodysplastic Syndromes. Clinics In Laboratory Medicine 2023, 43: i. DOI: 10.1016/s0272-2712(23)00095-1.Peer-Reviewed Original ResearchAdvances in Myelodysplastic Syndromes
Siddon A. Advances in Myelodysplastic Syndromes. Clinics In Laboratory Medicine 2023, 43: xiii-xiv. PMID: 37865512, DOI: 10.1016/j.cll.2023.08.015.Peer-Reviewed Original ResearchDiagnosis and Classification of Myelodysplastic Syndromes with Mutated TP53
Siddon A, Weinberg O. Diagnosis and Classification of Myelodysplastic Syndromes with Mutated TP53. Clinics In Laboratory Medicine 2023, 43: 607-614. PMID: 37865506, DOI: 10.1016/j.cll.2023.07.004.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaMyelodysplastic syndromeTP53 mutationsPrognosis of MDSCases of MDSPrognostic scoring systemNext-generation sequencingParticular next-generation sequencingAggressive diseasePoor outcomeTherapeutic managementTP53 disruptionMyeloid leukemiaMyeloid neoplasmsTherapeutic advancementsCytogenetic abnormalitiesMyeloid neoplasiaScoring systemDisease classificationMyeloid diseasesGene mutationsSyndromeDiseaseDiagnosisTP53Current clinical practices and challenges in molecular testing: a GOAL Consortium Hematopathology Working Group report
Lee T, Aisner D, David M, Eno C, Gagan J, Gocke C, Guseva N, Haley L, Jajosky A, Jones D, Mansukhani M, Mroz P, Murray S, Newsom K, Paulson V, Roy S, Rushton C, Segal J, Senaratne T, Siddon A, Starostik P, Van Ziffle J, Wu D, Xian R, Yohe S, Kim A. Current clinical practices and challenges in molecular testing: a GOAL Consortium Hematopathology Working Group report. Blood Advances 2023, 7: 4599-4607. PMID: 37236162, PMCID: PMC10425685, DOI: 10.1182/bloodadvances.2023010149.Peer-Reviewed Original ResearchConceptsMolecular testingAcute casesHematologic malignanciesRapid turnaround timeTertiary care laboratoryAcute myeloid leukemiaCurrent clinical practiceMyeloid leukemiaTurnaround timeLymphoid processesClinical practicePatient careNGS panelCalendar daysClinical expectationsWorking Group ReportMost survey respondentsMalignancyCareReimbursementCase reimbursementSurvey respondentsGroup ReportTesting practicesDaysHelicobacter pylori–negative mucosa-associated lymphoid tissue (MALT) lymphoma of the stomach: A clinicopathologic analysis
Gu S, Siddon A, Huntington S, Jain D. Helicobacter pylori–negative mucosa-associated lymphoid tissue (MALT) lymphoma of the stomach: A clinicopathologic analysis. American Journal Of Clinical Pathology 2023, 160: 612-619. PMID: 37556379, PMCID: PMC10691190, DOI: 10.1093/ajcp/aqad088.Peer-Reviewed Original ResearchConceptsHP-positive patientsLymphoid tissue lymphomaChronic gastritisMALT lymphomaHP-negative casesTissue lymphomaHelicobacter pylori-negative mucosaPrimary gastric MALT lymphomaB-cell gene rearrangementsAvailable pathology reportsHP-negative patientsGastric MALT lymphomaHP-negative groupHelicobacter pylori infectionReview of slidesMALT lymphoma casesAdditional laboratory testingHP eradicationDisease recurrenceOptimal management strategyClinicopathologic analysisClinicopathologic featuresHistologic gastritisHP-positive casesInitial diagnosisMolecular Techniques and Gene Mutations in Myelodysplastic Syndromes
Mendoza H, Siddon A. Molecular Techniques and Gene Mutations in Myelodysplastic Syndromes. Clinics In Laboratory Medicine 2023, 43: 549-563. PMID: 37865502, DOI: 10.1016/j.cll.2023.06.002.Peer-Reviewed Original ResearchMolecular findings in myeloid neoplasms
Tran T, Siddon A. Molecular findings in myeloid neoplasms. International Journal Of Laboratory Hematology 2023, 45: 442-448. PMID: 37345257, DOI: 10.1111/ijlh.14118.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaMyeloid neoplasmsNext-generation sequencingMyeloproliferative neoplasmsInternational diagnostic guidelinesSomatic gene mutationsHematologic cancersMyeloid leukemiaDiagnostic guidelinesClinical relevanceMyeloid disordersPatient careNeoplasmsCytogenetic findingsMolecular findingsGene mutationsNew molecular technologiesMolecular technologiesMutationsLeukemiaCancerPrognosticationCliniciansFindingsModifier mutationsOptimizing Donor Chimerism Threshold for Next-Generation Sequencing Monitoring of Measurable Residual Disease Post-Allogeneic Stem Cell Transplantation for Myeloid Neoplasms
Puzo C, Tormey C, Rinder H, Siddon A. Optimizing Donor Chimerism Threshold for Next-Generation Sequencing Monitoring of Measurable Residual Disease Post-Allogeneic Stem Cell Transplantation for Myeloid Neoplasms. Transplantation And Cellular Therapy 2023, 29: 459.e1-459.e4. PMID: 37062510, DOI: 10.1016/j.jtct.2023.04.005.Peer-Reviewed Original ResearchConceptsAllogeneic stem cell transplantationStem cell transplantationDonor chimerismCell transplantationNGS testingPost allogeneic stem cell transplantationMeasurable residual diseaseNext-generation sequencingAcute myeloid leukemiaConditioning regimenRelated donorsMyelodysplastic syndromeResidual diseaseValidation cohortMyeloid leukemiaMyeloid neoplasmsNGS panelLogistic regressionPatientsChimerismSignificant predictorsCharacteristic curveTransplantationRegimenConservative thresholdMyeloid sarcoma with NPM1 mutation may be clinically and genetically distinct from AML with NPM1 mutation: a study from the Bone Marrow Pathology Group
de M, Wu L, Hirt C, Pihan G, Patel S, Tam W, Bueso-Ramos C, Kanagal-Shamanna R, Raess P, Siddon A, Narayanan D, Morgan E, Pinkus G, Mason E, Hsi E, Rogers H, Toth L, Foucar K, Hurwitz S, Bagg A, Rets A, George T, Orazi A, Arber D, Hasserjian R, Weinberg O, Group F. Myeloid sarcoma with NPM1 mutation may be clinically and genetically distinct from AML with NPM1 mutation: a study from the Bone Marrow Pathology Group. Leukemia & Lymphoma 2023, 64: 972-980. PMID: 36960680, DOI: 10.1080/10428194.2023.2185091.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaMyeloid sarcomaOverall survivalNPM1 mutationsDe novo acute myeloid leukemiaBone Marrow Pathology GroupMulti-institutional cohort studyNovo acute myeloid leukemiaRetrospective multi-institutional cohort studyShorter overall survivalPoor overall survivalFrequent cytogenetic abnormalityCohort studyMyeloid leukemiaPathology groupCytogenetic abnormalitiesComplex karyotypeUnique genetic landscapeMutations of genesGene mutationsSarcomaGenetic landscapeHigher average numberMutationsLeukemiaQuantitative Risk for Single-Positive Lupus Anticoagulant Results With Different Anticoagulants
Khan W, Tormey C, Rinder H, Siddon A. Quantitative Risk for Single-Positive Lupus Anticoagulant Results With Different Anticoagulants. American Journal Of Clinical Pathology 2023, 159: 417-419. PMID: 36940149, DOI: 10.1093/ajcp/aqac183.Peer-Reviewed Original ResearchAn interactive e-learning module on peripheral blood smear analysis is an effective option for teaching pathology trainees.
Moore M, Courville E, Prakash S, Brown L, Beck R, Qualtieri J, Siddon A, Wake L. An interactive e-learning module on peripheral blood smear analysis is an effective option for teaching pathology trainees. American Journal Of Clinical Pathology 2023, 160: 150-156. PMID: 36905942, DOI: 10.1093/ajcp/aqad014.Peer-Reviewed Original ResearchConceptsGraduate Medical Education (ACGME) residency programsSame educational contentMultiple-choice testNarrative-based methodsE-learningEducational contentAccreditation CouncilInteractive groupsPostintervention testsResidency programsPathology traineesTraineesSame questionsExperienceSimilar exerciseMost participantsCurriculumEducationParticipantsBlood smear analysisPretest